Cologne
- 2020-10-26 Henriette Reker reelected Mayor of Cologne
- 2020-05-24 People's Daily: A friend in need is a friend indeed: Beijing works closely with sister cities in fight against coronavirus
- 2020-05-24 Economic Daily: Donations and experience sharing: Beijing and sister cities help each other through difficult times
- 2020-05-11 Cologne mayor expresses appreciation on local government website for generous donations from Beijing
- 2020-04-22 Beijing shares anti-epidemic experience with 26 sister cities and 3 international organizations via virtual meeting
- 2020-03-26 Beijing joins hands with sister cities to fight COVID-19
